Add plugin dependency. com.ibm.sbt.core.test depending on
sbt.sample.app.
Refactor sbt.sample.app apps. Allow specification of endpoints and
specification of whether to initialise a context.
Add connections tests for sbt.asmple.app, and an additional smartcloud
test for communities app
No need for the suite.
Add doc to samples. Change GetProfile to take an email address as an
argument.
Add ignores to tests until the rest of the Services tests are not
ignored.
Merge pull request #152 from fmoloney/SampleAppTests

Sample app tests. Looks good.